Reaction tube



FIG. 1 is a front, top and right side perspective view of a first embodiment of a reaction tube showing our new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a cross sectional view taken along line 9-9 in FIG. 3;

FIG. 10 is a cross sectional view taken along line 10-10 in FIG. 7;

FIG. 11 is an enlarged portion view taken along line 11-11 in FIG. 9;

FIG. 12 is a front, top and right side perspective view of a second embodiment of a reaction tube showing our new design;

FIG. 13 is a rear, bottom and left side perspective view thereof;

FIG. 14 is a front elevational view thereof;

FIG. 15 is a rear elevational view thereof;

FIG. 16 is a left side elevational view thereof;

FIG. 17 is a right side elevational view thereof;

FIG. 18 is a top plan view thereof;

FIG. 19 is a bottom plan view thereof;

FIG. 20 is a cross sectional view taken along line 20-20 in FIG. 14;

FIG. 21 is a cross sectional view taken along line 21-21 in FIG. 18;

FIG. 22 is an enlarged portion view taken along line 22-22 in FIG. 20;

FIG. 23 is a front, top, and right side perspective view of a third embodiment of a reaction tube showing our new design;

FIG. 24 is a rear, top and left side perspective view thereof;

FIG. 25 is a front elevational view thereof;

FIG. 26 is a rear elevational view thereof;

FIG. 27 is a left side elevational view thereof;

FIG. 28 is a right side elevational view thereof;

FIG. 29 is a top plan view thereof;

FIG. 30 is a bottom plan view thereof;

FIG. 31 is an enlarged cross sectional view taken along line 31-31 in FIG. 25;

FIG. 32 is an enlarged cross sectional view taken along line 32-32 in FIG. 25; and,

FIG. 33 is a cross sectional view taken along line 33-33 in FIG. 29.

The broken lines shown in the drawings represent portions of the reaction tube that form no part of the claimed design. 

CLAIM We claim the ornamental design for a reaction tube, as shown and described. 